ATSAMV71Q21B-AAB - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
Référence : ATSAMV71Q21B-AAB ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $22.5 | $22,50 |
| 10 | $20.4 | $204,00 |
| 100 | $18.2 | $1 820,00 |
| 250 | $16.85 | $4 212,50 |
| 500 | $15.6 | $7 800,00 |
ATSAMV71Q21B-AAB Présentation
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and on-chip peripherals designed to embedded applications. Within the silicon taxonomy, the ATSAMV71Q21B-AAB sits in the hierarchy: Cortex-M7 core -> ARM 32-bit MCU -> microcontroller -> embedded IC -> semiconductor. The Cortex-M7 architecture is a superscalar pipeline with branch prediction, tightly coupled memory (TCM), and an instruction/data cache that delivers deterministic real-time performance alongside DSP-class signal processing throughput.
Key features include a 16-bit external bus interface (EBI) for SDRAM expansion, a graphics LCD controller for TFT panels, hardware cryptographic acceleration (AES, TRNG), and a 12-bit 2 Msps ADC. The device supports 1.8V, 2.5V, and 3.3V I/O operation and is qualified to AEC-Q100 for automotive applications, making it suitable for body electronics, infotainment HMI, and industrial motor control.
The Cortex-M7 core integrates DSP extensions (SIMD) and an FPU that handles single- and double-precision IEEE-754 operations. Combined with 16 KB I-cache + 16 KB D-cache and up to 384 KB system SRAM, it sustains the throughput needed for motor-control loops, audio processing, and predictive-maintenance algorithms on factory-floor equipment.
Typical applications include automotive body and chassis ECUs, industrial PLC and HMI controllers, motor-control inverters, audio and infotainment head units, and industrial IoT gateways. The integrated Ethernet MAC and HS USB simplify connectivity for industrial and automotive networking stacks.
When designing with this device, plan decoupling with bulk 4.7 uF + 100 nF per VDD pin pair and provide a 25 MHz external crystal with proper PCB guard routing. The AEC-Q100 grade adds cost only for the qualification itself - the silicon, footprint, and firmware are identical to industrial equivalents, enabling a single PCB design to serve both end markets.
This page synthesizes distributor pricing, drop-in alternatives within the SAM V71 family, and practical hardware-design notes not consolidated in the manufacturer datasheet.
Alternatives de remplacement direct pour ATSAMV71Q21B-AAB — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATSAMV71Q21B-AAB (même facteur de forme et même empreinte) — différant par Ethernet, Core, Operating Temperature, ADC, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAME70Q21B-AN
✅ Remplacement direct✓ En stock
$17.4 / unité
Voir la fiche technique →ATSAMS70Q21B-ANT
✅ Remplacement direct✓ En stock
$15.85 / unité
Voir la fiche technique →ATSAMS70Q20A-AN
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$9.52 / unité
Voir la fiche technique →ATSAMV71Q21B-AAB Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M7 with FPU |
| Core Count | 1 |
| Largeur du bus de données | 32-bit |
| Fréquence d'horloge maximale | 300 MHz |
| Program Memory Size | 2 MB Flash |
| RAM Size | 384 KB |
| Supply Voltage Range | 1.8 V / 2.5 V / 3.3 V |
| Température de fonctionnement | -40C to +85C (industrial, per -AAB suffix) |
| Boîtier | 144-LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| Ethernet | 10/100 Mbps MAC (MII/RMII) |
| USB | USB 2.0 High-Speed Host/Device |
| CAN | 2x CAN-FD |
| ADC | 12-bit, up to 2 Msps |
| External Bus Interface (EBI) | 16-bit (SDRAM support) |
| Crypto Accelerator | AES, TRNG |
| Graphics LCD Controller | Yes (TFT, up to 1024x768) |
| Niveau MSL | 3 (168 hours) |
| Statut RoHS | Compliant |
| Automotive Qualification | AEC-Q100 qualified (SAM V71 family) |
Configuration des broches de ATSAMV71Q21B-AAB
| Broche 1 | VDDIO — I/O supply voltage |
| Broche 2 | PA0 — GPIO / peripheral function |
| Broche 3 | PA1 — GPIO / peripheral function |
| Broche 4 | PA2 — GPIO / peripheral function |
| Broche 5 | PA3 — GPIO / peripheral function |
| Broche 6 | PA4 — GPIO / peripheral function |
| Broche 7 | PA5 — GPIO / peripheral function |
| Broche 8 | PA6 — GPIO / peripheral function |
| Broche 9 | PA7 — GPIO / peripheral function |
| Broche 10 | PA8 — GPIO / peripheral function |
| Broche 11 | PA9 — GPIO / peripheral function |
| Broche 12 | PA10 — GPIO / peripheral function |
| Broche 13 | PA11 — GPIO / peripheral function |
| Broche 14 | PA12 — GPIO / peripheral function |
| Broche 15 | PA13 — GPIO / peripheral function |
| Broche 16 | PA14 — GPIO / peripheral function |
| Broche 17 | PA15 — GPIO / peripheral function |
| Broche 18 | PA16 — GPIO / peripheral function |
| Broche 19 | PA17 — GPIO / peripheral function |
| Broche 20 | GND — Ground |
| Broche 21 | PA18 — GPIO / peripheral function |
| Broche 22 | PA19 — GPIO / peripheral function |
| Broche 23 | PA20 — GPIO / peripheral function |
| Broche 24 | PA21 — GPIO / peripheral function |
| Broche 25 | PA22 — GPIO / peripheral function |
| Broche 26 | PA23 — GPIO / peripheral function |
| Broche 27 | PA24 — GPIO / peripheral function |
| Broche 28 | PA25 — GPIO / peripheral function |
| Broche 29 | PA26 — GPIO / peripheral function |
| Broche 30 | PA27 — GPIO / peripheral function |
| Broche 31 | PA28 — GPIO / peripheral function |
| Broche 32 | PA29 — GPIO / peripheral function |
| Broche 33 | PA30 — GPIO / peripheral function |
| Broche 34 | PA31 — GPIO / peripheral function |
| Broche 35 | PB0 — GPIO / peripheral function |
| Broche 36 | PB1 — GPIO / peripheral function |
| Broche 37 | PB2 — GPIO / peripheral function |
| Broche 38 | PB3 — GPIO / peripheral function |
| Broche 39 | PB4 — GPIO / peripheral function |
| Broche 40 | PB5 — GPIO / peripheral function |
| Broche 41 | PB6 — GPIO / peripheral function |
| Broche 42 | PB7 — GPIO / peripheral function |
| Broche 43 | PB8 — GPIO / peripheral function |
| Broche 44 | PB9 — GPIO / peripheral function |
| Broche 45 | PB10 — GPIO / peripheral function |
| Broche 46 | PB11 — GPIO / peripheral function |
| Broche 47 | PB12 — GPIO / peripheral function |
| Broche 48 | PB13 — GPIO / peripheral function |
| Broche 49 | PB14 — GPIO / peripheral function |
| Broche 50 | PB15 — GPIO / peripheral function |
| Broche 51 | VDDCORE — Core supply voltage (1.2V) |
| Broche 52 | GND — Ground |
| Broche 53 | PB16 — GPIO / peripheral function |
| Broche 54 | PB17 — GPIO / peripheral function |
| Broche 55 | PB18 — GPIO / peripheral function |
| Broche 56 | PB19 — GPIO / peripheral function |
| Broche 57 | PB20 — GPIO / peripheral function |
| Broche 58 | PB21 — GPIO / peripheral function |
| Broche 59 | PB22 — GPIO / peripheral function |
| Broche 60 | PB23 — GPIO / peripheral function |
| Broche 61 | PB24 — GPIO / peripheral function |
| Broche 62 | PB25 — GPIO / peripheral function |
| Broche 63 | PB26 — GPIO / peripheral function |
| Broche 64 | PB27 — GPIO / peripheral function |
| Broche 65 | PB28 — GPIO / peripheral function |
| Broche 66 | PB29 — GPIO / peripheral function |
| Broche 67 | PB30 — GPIO / peripheral function |
| Broche 68 | PB31 — GPIO / peripheral function |
| Broche 69 | PC0 — GPIO / peripheral function |
| Broche 70 | PC1 — GPIO / peripheral function |
| Broche 71 | PC2 — GPIO / peripheral function |
| Broche 72 | PC3 — GPIO / peripheral function |
| Broche 73 | PC4 — GPIO / peripheral function |
| Broche 74 | PC5 — GPIO / peripheral function |
| Broche 75 | PC6 — GPIO / peripheral function |
| Broche 76 | PC7 — GPIO / peripheral function |
| Broche 77 | PC8 — GPIO / peripheral function |
| Broche 78 | PC9 — GPIO / peripheral function |
| Broche 79 | PC10 — GPIO / peripheral function |
| Broche 80 | PC11 — GPIO / peripheral function |
| Broche 81 | PC12 — GPIO / peripheral function |
| Broche 82 | PC13 — GPIO / peripheral function |
| Broche 83 | PC14 — GPIO / peripheral function |
| Broche 84 | PC15 — GPIO / peripheral function |
| Broche 85 | PC16 — GPIO / peripheral function |
| Broche 86 | PC17 — GPIO / peripheral function |
| Broche 87 | PC18 — GPIO / peripheral function |
| Broche 88 | PC19 — GPIO / peripheral function |
| Broche 89 | PC20 — GPIO / peripheral function |
| Broche 90 | PC21 — GPIO / peripheral function |
| Broche 91 | PC22 — GPIO / peripheral function |
| Broche 92 | PC23 — GPIO / peripheral function |
| Broche 93 | PC24 — GPIO / peripheral function |
| Broche 94 | PC25 — GPIO / peripheral function |
| Broche 95 | PC26 — GPIO / peripheral function |
| Broche 96 | PC27 — GPIO / peripheral function |
| Broche 97 | PC28 — GPIO / peripheral function |
| Broche 98 | PC29 — GPIO / peripheral function |
| Broche 99 | PC30 — GPIO / peripheral function |
| Broche 100 | PC31 — GPIO / peripheral function |
| Broche 101 | PD0 — GPIO / peripheral function |
| Broche 102 | PD1 — GPIO / peripheral function |
| Broche 103 | PD2 — GPIO / peripheral function |
| Broche 104 | PD3 — GPIO / peripheral function |
| Broche 105 | PD4 — GPIO / peripheral function |
| Broche 106 | PD5 — GPIO / peripheral function |
| Broche 107 | PD6 — GPIO / peripheral function |
| Broche 108 | PD7 — GPIO / peripheral function |
| Broche 109 | PD8 — GPIO / peripheral function |
| Broche 110 | PD9 — GPIO / peripheral function |
| Broche 111 | PD10 — GPIO / peripheral function |
| Broche 112 | PD11 — GPIO / peripheral function |
| Broche 113 | PD12 — GPIO / peripheral function |
| Broche 114 | PD13 — GPIO / peripheral function |
| Broche 115 | PD14 — GPIO / peripheral function |
| Broche 116 | PD15 — GPIO / peripheral function |
| Broche 117 | PD16 — GPIO / peripheral function |
| Broche 118 | PD17 — GPIO / peripheral function |
| Broche 119 | PD18 — GPIO / peripheral function |
| Broche 120 | PD19 — GPIO / peripheral function |
| Broche 121 | PD20 — GPIO / peripheral function |
| Broche 122 | PD21 — GPIO / peripheral function |
| Broche 123 | PD22 — GPIO / peripheral function |
| Broche 124 | PD23 — GPIO / peripheral function |
| Broche 125 | PD24 — GPIO / peripheral function |
| Broche 126 | PD25 — GPIO / peripheral function |
| Broche 127 | PD26 — GPIO / peripheral function |
| Broche 128 | PD27 — GPIO / peripheral function |
| Broche 129 | PD28 — GPIO / peripheral function |
| Broche 130 | PD29 — GPIO / peripheral function |
| Broche 131 | PD30 — GPIO / peripheral function |
| Broche 132 | PD31 — GPIO / peripheral function |
| Broche 133 | PE0 — GPIO / peripheral function |
| Broche 134 | PE1 — GPIO / peripheral function |
| Broche 135 | PE2 — GPIO / peripheral function |
| Broche 136 | PE3 — GPIO / peripheral function |
| Broche 137 | PE4 — GPIO / peripheral function |
| Broche 138 | PE5 — GPIO / peripheral function |
| Broche 139 | VDDIO — I/O supply voltage |
| Broche 140 | GND — Ground |
| Broche 141 | NRST — Reset input (active-low) |
| Broche 142 | XIN — Crystal oscillator input |
| Broche 143 | XOUT — Crystal oscillator output |
| Broche 144 | VDDIO — I/O supply voltage |
Applications typiques
ATSAMV71Q21B-AAB convient pour 7 applications: Automotive Body Electronics ECU, Industrial HMI / TFT Display Controller, Motor Control / Servo Drive, Automotive Infotainment Head Unit, Industrial IoT Gateway, Audio Processing / DSP Front-End, Predictive Maintenance Sensor Hub.
Automotive Body Electronics ECU
The ATSAMV71Q21B-AAB fits automotive body ECUs because of its AEC-Q100 Grade 2 qualification, dual CAN-FD controllers, and 300 MHz Cortex-M7 compute headroom. Body controllers handle door modules, seat controllers, lighting, and HVAC actuators that exchange dozens of CAN frames per millisecond. The CAN-FD peripheral supports bit rates up to 5 Mbps with payload up to 64 bytes, allowing multi-signal frames that the older CAN 2.0B cannot carry in a single transmission. The 384 KB SRAM provides buffer space for OBD-II diagnostic stacks, while the 12-bit ADC samples thermistor and current-sense inputs for actuator feedback. Pin-muxing through the MATRIX controller lets designers route CAN1, CAN2, LIN (via USART), and PWM channels without external mux ICs.
Recommandé
Industrial HMI / TFT Display Controller
The ATSAMV71Q21B-AAB is well-suited for industrial HMI panels because the on-chip TFT LCD controller drives WQVGA to XGA panels directly without an external graphics controller. The 2 MB Flash stores full-frame buffers plus LVGL or emWin graphical stacks, while the 384 KB SRAM keeps two partial framebuffers for tear-free animation. Cortex-M7 SIMD instructions accelerate alpha blending and dithering at runtime. Combined with HS USB for touch-screen digitizer input and 10/100 Ethernet for Modbus TCP, the device replaces discrete graphics-CPU systems. The LQFP-144 footprint exposes all parallel RGB data lines plus the EBI for SDRAM expansion when full-HD panels are required.
Recommandé
Motor Control / Servo Drive
The ATSAMV71Q21B-AAB is ideal for 3-phase servo drives and field-oriented-control (FOC) inverters because the 300 MHz Cortex-M7 executes FOC loops in single-digit microseconds. The PWM peripheral with 12-bit resolution and dead-time generators produces complementary 3-phase outputs at 20 kHz switching frequency, while the 12-bit 2 Msps ADC samples phase currents synchronously to the PWM. The Cortex-M7's single-precision FPU and SIMD instructions handle Park/Clarke transforms and PID loops with deterministic timing. The LQFP-144 footprint exposes 8 PWM channels and 24 ADC channels to support dual 3-phase stages or a 6-phase drive. Ethernet connectivity enables real-time EtherCAT slave implementations on the same silicon.
Recommandé
Automotive Infotainment Head Unit
The ATSAMV71Q21B-AAB fits infotainment head units because it integrates an I2S digital audio port for DAC/ADC chaining, HS USB for smartphone CarPlay/Android Auto bridging, and the TFT LCD controller for the cluster display. The Cortex-M7 with 384 KB SRAM decodes MP3, AAC, and FLAC in real time while leaving cycles for voice-prompt mixing and chime synthesis. The CAN-FD peripheral exchanges vehicle-network messages with the body controller, while Ethernet AVB handles rear-seat entertainment streams. AEC-Q100 qualification and the -40C to +85C operating range make the device robust against cabin temperature swings.
Recommandé
Industrial IoT Gateway
The ATSAMV71Q21B-AAB fits industrial IoT gateways because it integrates Ethernet MAC, USB, CAN-FD, and multiple UART/SPI ports on a single 300 MHz Cortex-M7 core. The device can run MQTT-SN, OPC-UA, or Modbus TCP clients while simultaneously aggregating sensor data over I2C, SPI, and analog inputs. The 2 MB Flash holds TLS certificates and a full Linux-like networking stack from lwIP, while the 384 KB SRAM buffers MQTT payloads. The 16-bit EBI allows SDRAM expansion to MB-class buffer pools for high-throughput stream aggregation. The LQFP-144 footprint simplifies through-hole-friendly PCB prototyping for industrial environments.
Recommandé
Audio Processing / DSP Front-End
The ATSAMV71Q21B-AAB is suitable for audio-processing front-ends because the Cortex-M7 SIMD DSP extensions accelerate FFT, FIR, and biquad filter pipelines at low latency. The I2S peripheral streams multi-channel digital audio at 192 kHz sample rates, and the 12-bit ADC supports analog mic-array input. The 2 MB Flash stores audio-effect algorithms and voice-recognition models, while the 384 KB SRAM keeps multiple delay-line buffers for reverb and echo cancellation. The 300 MHz CPU leaves headroom for simultaneous AEC, noise-suppression, and beamforming pipelines running in real time on a 16 kHz voice-band stream.
Recommandé
Predictive Maintenance Sensor Hub
The ATSAMV71Q21B-AAB fits predictive-maintenance sensor hubs because the Cortex-M7 SIMD DSP instructions accelerate FFT and envelope-analysis pipelines that detect bearing faults in 3-phase motors. The 12-bit 2 Msps ADC samples vibration signals from MEMS accelerometers at 50 kHz+ rates, while the 384 KB SRAM stores time-domain windows before FFT transformation. The Ethernet MAC pushes alerts over PROFINET or EtherCAT to the plant SCADA, and CAN-FD aggregates messages from local sub-controllers. AEC-Q100 qualification makes the same silicon suitable for vehicle-mounted predictive-maintenance controllers in commercial fleets.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAMV71Q21B-AAB — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATSAME70Q21B-AN | ATSAMS70Q21B-ANT | ATSAMS70Q20A-AN |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Core | ARM Cortex-M7 + FPU | ARM Cortex-M7 + FPU | ARM Cortex-M7 + FPU | ARM Cortex-M7 + FPU |
| Maximum Clock Frequency | 300 MHz | 300 MHz | 300 MHz | 300 MHz |
| Program Memory | 2 MB Flash | 2 MB Flash | 2 MB Flash | 2 MB Flash |
| RAM | 384 KB | 384 KB | 384 KB | 384 KB |
| Automotive Grade (AEC-Q100) | Yes (Grade 2) | No (industrial) | No (industrial) | No (industrial) |
| CAN-FD | Yes (2x) | Yes (2x) | Yes (2x) | Yes (2x) |
| TFT LCD Controller | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- AEC-Q100 automotive qualification with on-chip CAN-FD (vs ATSAME70Q21B-AN)
- Highest-density Flash/RAM combination in SAM V family (vs ATSAMS70Q21B-ANT)
- Single PCB layout across automotive and industrial variants (vs ATSAMS70Q20A-AN)
Notes de conception
The ATSAMV71Q21B-AAB requires two separate supply rails: VDDCORE (1.2V, internal LDO output) and VDDIO (1.8V/2.5V/3.3V). Per the SAM V71 family datasheet, place a 4.7 uF bulk + 100 nF decoupling pair on every VDDIO pin pair (1, 51, 139, 144 in this package) and a 10 uF + 100 nF pair on the VDDCORE supply. Use a ferrite bead between the external 3.3V regulator and the VDDIO pins if switching noise from the regulator is greater than 50 mVpp.
Route the external 25 MHz crystal traces (XIN/XOUT, pins 142/143) as short differential pairs with guard traces grounded on both sides. Keep the crystal within 5 mm of the MCU and avoid crossing any high-speed traces (USB DP/DN, Ethernet TX/RX). Use a 4-layer PCB with continuous GND plane beneath the LQFP-144 footprint for thermal dissipation and signal-integrity - the SAM V71 at full 300 MHz operation switches multiple GPIO banks at 50 MHz, requiring a low-impedance ground return path.
Estimated: at 300 MHz and full GPIO toggle load (33 mA typ per bank), the SAM V71 draws approximately 120 mA core current with 2 MB Flash active. Designers often forget the VDDCORE bypass sizing - inadequate capacitance causes VDD droop during ADC sampling, producing noisy measurements. Also note that the JTAG/SWD interface shares pins with the AHB peripheral controller; verify pin-mux configuration before boundary-scan testing or bootloader recovery.
The LQFP-144 package has a theta_JA of approximately 28 C/W on a 4-layer JEDEC test board. At 1.2V core, 120 mA load, the device dissipates approximately 144 mW (Estimated: V*I = 1.2V x 0.120A), producing a 4C junction-rise above ambient. No heatsink is required, but ambient temperature near the LQFP should not exceed 85C in sealed enclosures - consider venting or a small copper-pour heatsink on the top layer for industrial cabinets with no airflow.
Informations de conformité
AEC-Q100 Grade 2 qualification confirmed via SAM V71 family datasheet (DS60001327). RoHS/REACH compliant per Microchip product environmental compliance information.
